Xiangdong Liu

CTLA4/ICOS gene variants and haplotypes are associated with rheumatoid arthritis and primary biliary cirrhosis in the Canadian population.

Christopher I Amos, Yan Lu, K. Siminovitch, 2009, Arthritis and rheumatism.

Genome-wide meta-analyses identify three loci associated with primary biliary cirrhosis

Fabio Macciardi, Angelo Andriulli, Nicola Caporaso, 2010, Nature Genetics.

Genome-wide association study meta-analysis identifies seven new rheumatoid arthritis risk loci

Jing Cui, Kristin G Ardlie, B Paul Wordsworth, 2010, Nature Genetics.